Leading By Example.

Tiffany Sewell-Howard, the fifth generation of the founding Malzahn family, guides Charles Machine Works with the principles of hard work, integrity and generosity instilled by her grandfather Ed. In every leadership position throughout the Family of Companies, we strive to follow the example set by our founders.

The Charles Machine Works Executive Team.

Tiffany Sewell-Howard
Executive Chair
Charles Machine Works

Rick Johnson
Chief Executive Officer
Charles Machine Works

Angie Drake
Chief Financial Officer
Charles Machine Works

Derrick Nielsen
Vice President
of People Operations
Charles Machine Works

The Charles Machine Works Leadership Team.

Kurt Andrews
President,
Corporate-Owned Dealers
Charles Machine Works

Dennis Wierzbicki
President
Ditch Witch®

Rick Johnson
Interim President
Subsite® Electronics

Wang Xiang Rong
President
DW/TXS®

Kevin Smith
President
HammerHead®

Riff Wright
President
Radius® HDD

Dave Hammond
President
American Augers®

Alain Trimble
President
MTI® Equipment

The People Of Charles Machine Works.

Charles Machine Works was built by generations of craftsmen. Hard workers whose dedication to a job well-done helped grow a small Oklahoma blacksmith shop into a global leader. Together, we’ve helped change the world’s underground infrastructure, building a safer, more reliable future for our communities and families. To all our employees: we say thank you.

A message to our employees.

Join Our Team